#!/bin/bash

# Copyright 2022, marav, Paris, FR
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=wireplumber
VERSION=${VERSION:-0.4.7}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z || exit 1
cd $PRGNAM-$VERSION || exit 1
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# Set options to build with or without documentation / introspection
# These options are disabled by default
WITHDOC=${WITHDOC:-no}
WITHINTROSPEC=${WITHINTROSPEC:-no}

if [ $WITHDOC  == "no" ]; then
  DOC_OPTION="-Ddoc=disabled"
  else
  DOC_OPTION="-Ddoc=auto"
fi

if  [ $WITHINTROSPEC ==  "no" ]; then
  INTROSPEC_OPTION="-Dintrospection=disabled"
  else
  INTROSPEC_OPTION="-Dintrospection=auto"
fi

# Configure, build, and install:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir meson-build
cd meson-build
meson setup \
  --prefix=/usr \
  --libdir=lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/libexec \
  --bindir=/usr/bin \
  --sbindir=/usr/sbin \
  --includedir=/usr/include \
  --datadir=/usr/share \
  --mandir=/usr/man \
  -Dsystem-lua=true \
  -Dsystemd=disabled \
  -Dsystemd-user-service=false \
  $DOC_OPTION \
  $INTROSPEC_OPTION \
  ..
  "${NINJA:=ninja}"
  DESTDIR=$PKG $NINJA install
cd ..

# Add sample configuation files:
mkdir -p $PKG/etc/xdg/autostart
cp -a $CWD/wireplumber.desktop.sample $PKG/etc/xdg/autostart
chown root:root $PKG/etc/xdg/autostart/*
chmod 644 $PKG/etc/xdg/autostart/*

mkdir -p $PKG/usr/sbin
cp -a $CWD/wireplumber-disable.sh $PKG/usr/sbin
cp -a $CWD/wireplumber-enable.sh $PKG/usr/sbin
chown root:root $PKG/usr/sbin/wireplumber-disable.sh $PKG/usr/sbin/wireplumber-enable.sh
chmod 755 $PKG/usr/sbin/wireplumber-disable.sh $PKG/usr/sbin/wireplumber-enable.sh

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  LICENSE NEWS.rst README.rst \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE

